Visualize the classroom noise level using traffic-light colors.
Microphone Off
Microphone audio is analyzed only in your browser and is not recorded or sent to a server.
Results may vary depending on your device and microphone environment.
Allow microphone access to analyze the classroom noise level locally in your browser.
Select Low, Normal, or High depending on your classroom activity.
The traffic light changes between green, yellow, and red as the noise level changes.
Let students monitor the screen and adjust their own volume during group discussions.
Use the traffic light during reading, writing, or other activities that need a quieter classroom.
Show the current noise level visually when classroom activities become more energetic.